Use After Free in Imagemagick
CVE-2026-86423
ImageMagick before 7.1.2-30 and 6.9.x before 6.9.13-55 contains a heap-use-after-free vulnerability in the GetList method of PerlMagick. A crafted call to the GetList method can trigger the use-after-free, resulting in a crash (denial of service).
Vulnerability class: Use-After-Free
Published · last modified .
CVSS v3 metric
CVSS v3 base score 3.3 (Low). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L.
EPSS exploit prediction
EPSS: 0.001 (1.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 1st percentile — 1.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.001 · newest: 0.001 · change: 0.000
Affected products
Weakness classification (CWE)
References
- github.com/ImageMagick/ImageMagick/security/advisories/GHSA-5m9j-96ff-j6qc (vendor-advisory, Vendor Advisory)
- www.vulncheck.com/advisories/imagemagick-before-7.1.2-30-heap-use-after-free-vi… (Third Party Advisory, third-party-advisory)
Frequently asked questions
- What is CVE-2026-86423?
- CVE-2026-86423 is a low-severity vulnerability in Imagemagick, classified under Use After Free. CVSS score: 3.3/10. Published 2026-09-07.
- How severe is CVE-2026-86423?
- Low severity. CVSS v3 base score is 3.3 out of 10.